18290620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29501}}^1$

素因数の和:29541

約数の個数: 24

約数和(自身を含む): 39650688

約数和(自身を除く): 21360068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29501, 59002, 118004, 147505, 295010, 590020, 914531, 1829062, 3658124, 4572655, 9145310, 18290620]

約数ペア:

[(1, 18290620), (2, 9145310), (4, 4572655), (5, 3658124), (10, 1829062), (20, 914531), (31, 590020), (62, 295010), (124, 147505), (155, 118004), (310, 59002), (620, 29501)]